[INFO] fetching crate polynomial-over-finite-prime-field 0.5.1...
[INFO] checking polynomial-over-finite-prime-field-0.5.1 against master#fe55364329579d361b1ab565728bc033a7dba07e for pr-146013
[INFO] extracting crate polynomial-over-finite-prime-field 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate polynomial-over-finite-prime-field 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate polynomial-over-finite-prime-field 0.5.1
[INFO] tweaked toml for crates.io crate polynomial-over-finite-prime-field 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial-over-finite-prime-field 0.5.1 on toolchain fe55364329579d361b1ab565728bc033a7dba07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding ring-algorithm v0.7.0 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modulo-n-tools v0.2.0
[INFO] [stderr]   Downloaded ring-algorithm v0.7.0
[INFO] [stderr]   Downloaded auto-impl-ops v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d8014a6dc6f89374eab569e1436fa286b8f36cfd7f5176b5dfbbd0eba1fbdca
[INFO] running `Command { std: "docker" "start" "-a" "2d8014a6dc6f89374eab569e1436fa286b8f36cfd7f5176b5dfbbd0eba1fbdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8014a6dc6f89374eab569e1436fa286b8f36cfd7f5176b5dfbbd0eba1fbdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8014a6dc6f89374eab569e1436fa286b8f36cfd7f5176b5dfbbd0eba1fbdca", kill_on_drop: false }`
[INFO] [stdout] 2d8014a6dc6f89374eab569e1436fa286b8f36cfd7f5176b5dfbbd0eba1fbdca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 177711e1263cbf2ecc7aea169f66f7ce94d5f620594184f1a0e198079d8c215c
[INFO] running `Command { std: "docker" "start" "-a" "177711e1263cbf2ecc7aea169f66f7ce94d5f620594184f1a0e198079d8c215c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]     Checking modulo-n-tools v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking ring-algorithm v0.7.0
[INFO] [stderr] error: could not compile `ring-algorithm` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/fe55364329579d361b1ab565728bc033a7dba07e/bin/rustc --crate-name ring_algorithm --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ring-algorithm-0.7.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("__internal_inject_debug", "default", "num-bigint", "rug"))' -C metadata=2e168af56d74f8ff -C extra-filename=-4e9182157d51f783 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-e688aa777d1b3686.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "177711e1263cbf2ecc7aea169f66f7ce94d5f620594184f1a0e198079d8c215c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177711e1263cbf2ecc7aea169f66f7ce94d5f620594184f1a0e198079d8c215c", kill_on_drop: false }`
[INFO] [stdout] 177711e1263cbf2ecc7aea169f66f7ce94d5f620594184f1a0e198079d8c215c